Meeting and exhibition industry is one of the important standards to measure internationalization degree and economic development level of a city. The construction and development of Chengdu-Chongqing Economic Zone provide a broad platform for the cooperation of meeting and exhibition industry between Chengdu and Chongqing Based on Double Diamond Theory Model, this paper analyzes the potential of the cooperative development of meeting and exhibition between Chengdu and Chongqing from the perspective of production factors, demand market, the related support industries, strategic structure and competition, policy and opportunities of meeting and exhibition industry and so on, compares the meeting and exhibition industry of Chengdu and Chongqing with that of Xian, Wuhan and Shanghai, elaborates the necessity and feasibility for the cooperation of meeting and exhibition industry between Chengdu and Chongqing and forwards the measures and suggestions from the angle of the talents and types for meeting and exhibition industry, its industrial association and market subject and so on.